Tag: NTI drugs

Generic substitution of antiseizure medications can pose serious risks for people with epilepsy due to narrow therapeutic index drugs. Learn the real-world dangers, expert recommendations, and practical steps to protect seizure control.

Prescribers remain divided on generic substitution of narrow therapeutic index (NTI) drugs like warfarin and levothyroxine. While FDA data supports safety, real-world experience shows risks in stability, monitoring, and communication. State laws, physician preferences, and patient outcomes all shape substitution practices.